#include<stdlib.h>
#include<stdio.h>
#include"calc.h"

int main(int argc,char argv[]){

   printf(" a + b = %d \n",add(12,6));
   printf(" a - b = %d \n",sub(12,6));
   printf(" a * b = %d \n",mult(12,6));
   printf(" a / b = %f \n",kdiv(12,6));

   return 0;
}